
Lawn Diseases
Lawn Rust: The Disease You Mow Off
Illinois Extension: the rust is removed by the mower blade. It is the one lawn disease where the treatment is a machine you already own — and a sharp one.

Fall Lawn Fertilizer
★★★★★ 4.6/5
nuestra calificación editorial cómo puntuamos4.6/5 según 13,848 compradores en Amazon — su cifra, no la nuestra.
$56–$66
Precio habitual · 12,000 sq ft per 32.3 lb bag
Enlaces de afiliado — consulte nuestra divulgación. Las comisiones nunca influyen en los veredictos.
La fertilización de otoño rinde más que cualquiera de primavera: construcción de raíz y potasio para resistir el invierno en céspedes del norte.
En los céspedes de estación fría, el otoño es LA temporada de fertilización — y esto está hecho para ella: nitrógeno para las reservas de raíz, potasio para tolerar el frío y nada de fósforo que complique la normativa. Septiembre más una repetición a finales de octubre preparan el césped de la primavera siguiente antes incluso de que empiece el invierno.
Tipo de producto
Fall Lawn Fertilizer
Ingrediente activo
32-0-10 fall formulation — high potassium, phosphorus-free
Rango de precio
$56–$66
Cobertura
12,000 sq ft per 32.3 lb bag
Ideal para
Fertilizaciones de septiembre a noviembre en céspedes del norte (estación fría)
nuestra calificación editorial
4.6 out of 5
Contrastado con la presión real de enfermedades, malezas y plagas de cada estado.
Ventana de aplicación: Bermuda and zoysia: May through August. Centipede: one light feeding, and that is the whole programme
Ventana de aplicación: UAF gives fertilizer analyses rather than pounds of nitrogen. Minimum maintenance is 5 lb of 22-11-11 per 1,000 sq ft in spring and again in late summer. A premium programme is 5 lb of 22-11-11 in late May, 5 lb of 22-4-4 in late June and again in July, then 5 lb of 8-32-16 in late August or early September — the last one deliberately low in nitrogen and high in phosphorus and potassium to build winter reserves
Ventana de aplicación: Bermuda: light monthly feedings May–September, plus iron for alkalinity yellowing
Ventana de aplicación: Bermuda and zoysia: May through August. Fescue in the north: September and October only
Ventana de aplicación: Fescue: October–November and March–April; Bermuda: May–August
Ventana de aplicación: CSU splits it by grass: bluegrass and ryegrass take 0.5–1 lb N mid-March to April, 1 lb May to mid-June, none July to early August, 1 lb mid-August to mid-September and 1–2 lb early October to early November — buffalograss and blue grama invert that entirely, taking nitrogen only from May to early August
Ventana de aplicación: UConn's two dates are May and early September, with a third in June only if you bag the clippings — 2 lb of nitrogen per 1,000 sq ft a year if clippings are returned, 3 lb if removed, and never more than 1 lb of soluble N at once. Nothing before April 15 or after mid-October
Ventana de aplicación: Delaware is a soil-test state by law and by Extension practice — the University of Delaware declines to publish blanket rates and tells you to follow the report. The autumn feeding is the one that carries a transition-zone lawn; 3 DE Admin. Code 1204 sets per-application limits, no-application periods and setbacks on top of that
Ventana de aplicación: Bermuda: monthly light feedings from full green-up (late April) through August
Ventana de aplicación: UI publishes a five-slot schedule for a medium-to-high maintenance bluegrass lawn: half to one pound of nitrogen per 1,000 sq ft in mid-March or April, one pound in early May or June, NOTHING in July or early August, one pound in mid-August or September, and one to two pounds in early October or November with the higher rate optional. A season total runs anywhere from 0.5 to 5 lb depending on the quality you want; a low-maintenance tall fescue lawn sits at 2 to 4 lb
Ventana de aplicación: Labor Day and Halloween feedings do 80% of the work; optional light Memorial Day application
Ventana de aplicación: Purdue's five slots: up to 0.75 lb slow-release in April, 0.75–1.0 lb in May, 0.75 lb in July on irrigated lawns only, 1 lb in September, and 1.5 lb of fast-release urea in November after the final mowing while the grass is still green
Ventana de aplicación: Early September and late October — the fall programme carries an Iowa lawn
Ventana de aplicación: K-State splits this by species rather than by month. Tall and fine fescue: about 1 lb of nitrogen per 1,000 sq ft, applied in autumn. Zoysia: 1 to 1.5 lb, in early summer. Buffalograss: the least of any Kansas lawn grass — 1 lb in early June improves colour and density, and more than that makes it weedy
Ventana de aplicación: Fescue and bluegrass: September and late October. Check the soil test before buying anything with a middle number — Inner Bluegrass limestone soils routinely test phosphorus-sufficient already
Ventana de aplicación: UMaine is specific and restrained: no more than two pounds of nitrogen per 1,000 sq ft a year, and if you feed once, do it between August 15 and September 15. Any remainder goes down in May after spring green-up, not before it
Ventana de aplicación: Tall fescue feeds September and late October — and the state's blackout starts November 16, which is earlier than most neighbours
Ventana de aplicación: Late spring and early September, with a late-October application where the rules allow — the season is short enough that timing matters more than rate
Ventana de aplicación: April through October, and MSU is specific that applications should go down before November — later nitrogen leaches over winter rather than feeding the grass
Ventana de aplicación: The University of Minnesota scales nitrogen by maintenance level AND soil organic matter: a low-maintenance unwatered lawn takes a single September application of 0.5–1 lb, while a watered lawn with clippings removed takes four — August, September, early October and May–June — and no single application should exceed 1 lb per 1,000 sq ft
Ventana de aplicación: Fescue: September and late October, with a light spring feeding at most; zoysia and bermuda: May through August
Ventana de aplicación: MSU's figure for most Montana conditions is 2 to 4 pounds of actual nitrogen per 1,000 sq ft a year, split into two or three applications, with never more than 1½ pounds of available nitrogen going down at once. It also warns off high-nitrogen and rapid-release products specifically because they promote disease. A spring seeding gets a ½ lb nitrogen starter before the seed
Ventana de aplicación: UNL publishes dates, not seasons, for cool-season lawns: April 15–25 at 0 to 0.5 lb of nitrogen per 1,000 sq ft, May 25–June 5 at 0.5 to 0.75, August 25–September 5 at 0.5 to 0.75, and October 15–November 1 at 0 to 0.25. Western Nebraska shifts one to two weeks later in spring and one to two weeks earlier in autumn. Buffalograss and zoysia get one application, May 5–15, at about 0.5 lb — and buffalograss should never exceed 2 lb a year
Ventana de aplicación: Bermuda in the south: May through August. Tall fescue and bluegrass in the north: spring and early autumn
Ventana de aplicación: One to two pounds of nitrogen per 1,000 sq ft a year is UNH's range for a home lawn — lower than the coastal states south of here. The last application of the year should be down before September 15 in northern New Hampshire and October 1 in the south
Ventana de aplicación: Legally March 1 – November 15 for homeowners (professionals get to December 1), and capped at 3.2 lb of nitrogen per 1,000 sq ft a year — weight it to September and October
Ventana de aplicación: New establishment gets 0.5 to 0.75 lb of nitrogen per 1,000 sq ft every other week for six to eight weeks. After that the calendar follows the grass, not the state: cool-season lawns in the north feed spring and autumn, warm-season lawns in the south feed through the warm months and stop well before dormancy
Ventana de aplicación: September is the one application Cornell recommends at every level of lawn quality; May, June and October are optional extras, and no application may exceed 1 lb of nitrogen per 1,000 sq ft
Ventana de aplicación: Fescue feeds in fall: September, October and late November — never in summer
Ventana de aplicación: NDSU is emphatic that autumn is the most important time. If you feed once a year, feed in September and target Labor Day; a fuller programme is two applications of 0.75 to 1.0 lb of nitrogen per 1,000 sq ft, one in early to mid-September and one around the final mow. Nitrogen applied before September 15 should be about 50 percent slow-release
Ventana de aplicación: September and early November (winterizer) carry the lawn; optional light feeding late May
Ventana de aplicación: Bermuda and zoysia: May through August. Buffalograss wants almost none — feeding it is how people lose it to weeds
Ventana de aplicación: Light and frequent through spring and autumn west of the mountains; east-side lawns follow a shorter, more conventional cool-season programme
Ventana de aplicación: September and late October, and the state closes the window on December 15 — the tightest legal autumn sequence of any state here, because the rate caps limit how much can go down in each of those passes
⚖️ Apply before the state's December 15 legal cutoff — late-fall feeding is legal and effective in October–November.
Ventana de aplicación: Late spring and early September, with the September application doing most of the work. The Water Resources Board's statewide guidance asks for moderate rates and never above label — and municipal ordinances in the bay towns cap it far below that
Ventana de aplicación: Centipedegrass takes nitrogen in May and once in late summer only, 1–2 lb a year total; the last application goes down before August 15 in the Upstate and before September 1 on the coast
Ventana de aplicación: SDSU puts the emphasis late and scales it to how you keep the lawn: a low to moderate maintenance lawn gets one application about Labor Day; a moderate to high maintenance lawn gets one in late August to very early September and a second roughly four weeks later, around October 1
Ventana de aplicación: Fescue: September through November; Bermuda and zoysia: May through August
Ventana de aplicación: Late April after full green-up, June, and early September
Ventana de aplicación: Late spring and early September, kept modest — pushing growth in a place where every inch of it is irrigated costs water as well as fertilizer
Ventana de aplicación: Late spring and late August to early September, with the late-summer application carrying the year. Get it down early — the growing season closes fast north of Rutland
Ventana de aplicación: Cool-season lawns take 2.0–3.5 lb of nitrogen a year across September, October, November, April and May at 0.5–0.7 lb a month; bermuda and zoysia are fed only between April 1 and August 15
Ventana de aplicación: Mid-May only if the lawn is thin or yellow, then September–October; slow-release synthetic as late as mid-November
Ventana de aplicación: Autumn carries a transition-zone lawn, so the September feeding is the year's most valuable. Nitrogen is the one nutrient required regardless of what the test says; phosphorus, potassium and lime should all follow the report, which in West Virginia usually asks for lime
Ventana de aplicación: About 2 lb of nitrogen a year in total: roughly 1 lb at the second mowing in spring and 1 lb between September 1 and 15, with any summer application kept under 1 lb and only on irrigated lawns
Ventana de aplicación: UW's numbers are the lowest of any state we cover, and deliberately so: 1 to 2 pounds of nitrogen per 1,000 sq ft a year produces a very nice lawn in most of Wyoming, never more than 1 pound in a single application, and one to two applications a year is the manicured programme. For Kentucky bluegrass or tall fescue specifically, UW suggests considering fertilizing once every one to three years. Use quick-release in spring while soils are still cool, and switch to slow-release or organic once they warm
Common questions
Scotts Turf Builder WinterGuard Fall Lawn Food (32-0-10) suele costar $56–$66 y cubre 12,000 sq ft per 32.3 lb bag.
32-0-10 fall formulation — high potassium, phosphorus-free.
Es un producto de temporización — herramienta equivocada para los céspedes del sur en verano
Real feedback
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Lawn Diseases
Illinois Extension: the rust is removed by the mower blade. It is the one lawn disease where the treatment is a machine you already own — and a sharp one.

Fertilizer
Purdue is blunt: buy a lawn analysis like 28-2-10, not 10-10-10. The deciding spec is then the slow-release fraction, and it changes with the season.

Fertilizer
Purdue backs late-fall nitrogen and faults the bags: rates run too low, the potassium needs a soil test to justify — and warm-season lawns should skip it entirely.

Grass Types
Tall fescue lawn care is one trade-off: the most heat-tolerant cool-season grass, but it never repairs itself and brown patch waits every summer.

Lawn Care Guides
Fall lawn care is the one season when doing more genuinely pays — for cool-season grass. On a warm-season lawn, autumn is mostly about stopping.

Fertilizer
When to fertilize a lawn: autumn matters more than spring for cool-season grass, the reverse for warm-season — plus the state laws that close the window.

Lawn Diseases
Snow mold treatment is mostly about the autumn before: gray and pink snow mold grew under the snow, so what you see in March is already finished damage.
Boletín de Lawn Health
Ventanas de preemergentes, alertas de enfermedades y calendarios de fertilización para su región — un correo corto, justo cuando su césped lo necesita.
Gratis para siempre. Cancele cuando quiera. Solo céspedes en EE. UU. (por ahora). Los correos se envían en inglés. El complemento de esta temporada: la lista imprimible de verano .